engine coolant JEEP WRANGLER 2006 TJ / 2.G User Guide

FLUIDS, LUBRICANTS AND GENUINE PARTS
Engine
Component Fluid, Lubricant, or Genuine Part
Engine Coolant Mopar Antifreeze/Coolant 5 Year/100,000 Mile Formula HOAT (Hybrid Or-
ganic Additive Technology)
Engine Oil API Certified SAE 5W-30 Engine Oil is recommended for the 2.4L engine. API Certified SAE 10W-30 Engine Oil is recommended for the 4.0L engine. Meets
the requirements of DaimlerChrysler Material Standard MS-6395.
Spark Plugs Refer to the Vehicle Emission Control Information label in the engine compart- ment.
Oil Filter (2.4L Engine) Mopar Oil Filter (P/N 4105409AB)
Oil Filter (4.0L Engine) Mopar Oil Filter (P/N 05281090)
Fuel Selection 87 Octane
MAINTAINING YOUR VEHICLE 315
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•Off-road or desert driving
•If equipped for and operated with E-85 (ethanol)
fuel.
NOTE: IfANY of these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow “Schedule B” of the
“Maintenance Schedules” section of this manual.
NOTE: IfANY of these apply to you then flush and
replace your engine coolant/anti-freeze every 102,000
miles (170 000 km) or 60 months, whichever comes first,
and follow “Schedule B” of the “Maintenance Schedules”
section of this manual.
NOTE: Most vehicles are operated under the conditions
listed for Schedule “B.”
Second is Schedule “A”. It is for vehicles that are not
operated under any of the conditions listed under Sched-
ule “B.” Use the schedule that best describes your driving condi-
tions. Where time and mileage are listed, follow the
interval that occurs first.
CAUTION!
Failure to perform the required maintenance items
may result in damage to the vehicle.
At Each Stop for Fuel
•Check the engine oil level about 5 minutes after a fully
warmed engine is shut off. Checking the oil level while
the vehicle is on level ground will improve the accu-
racy of the oil level reading. Add oil only when the
level is at or below the ADD or MIN mark.
•Check the windshield washer solvent, add as required.
MAINTENANCE SCHEDULES 319
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Once a Month
•Check the tire pressure and look for unusual wear or
damage.
•Inspect the battery and clean and tighten the terminals
as required.
•Check the fluid levels of the coolant reservoir, brake
master cylinder, and transmission, and add as needed.
•Check all lights and all other electrical items for correct
operation. At Each Oil Change
•Change the engine oil filter.
•Inspect the exhaust system.
•Inspect brake hoses.
•Check the coolant level, hoses, and clamps.
•After completion of off-road operation, the underside
of the vehicle should be thoroughly inspected. Exam-
ine threaded fasteners for looseness.
320 MAINTENANCE SCHEDULES
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Schedule “B”
Follow this schedule if you usually operate your vehicle
under one or more of the following conditions.
•Day or night temperatures are below 32°F (0°C)
•Stop and go driving
•Excessive engine idling
•Driving in dusty conditions
•Short trips of less than 10 miles (16.2 km)
•More than 50% of your driving is at sustained high
speeds during hot weather, above 90°F (32°C)
•Trailer towing
•Taxi, police, or delivery service (commercial service)
•Off-road or desert driving
•If equipped for and operated with E-85 (ethanol)
fuel.
NOTE: IfANY of these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow “Schedule B” of the
“Maintenance Schedules” section of this manual.
NOTE: IfANY of these apply to you then flush and
replace your engine coolant/anti-freeze every 102,000
miles (170 000 km) or 60 months, whichever comes first,
and follow “Schedule B” of the “Maintenance Schedules”
section of this manual.
SCHEDULE “B” 321
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Miles 48,000 51,000 54,000 57,000 60,000
(Kilometers) (80 000) (85 000) (90 000) (95 000) (100 000)
Inspect the drive belt and replace as needed. Not
required if belt was previously. X
Drain and refill the transfer case fluid. X
Flush and replace the engine coolant/anti-freeze. X
326 SCHEDULE “B”
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Miles 93,000 96,000 99,000 102,000 105,000
(Kilometers) (155 000) (160 000) (165 000) (170 000) (175 000)
Change the engine oil and engine oil filter, if not
replaced at 3 months. X X XXX
Rotate the tires. X X
Inspect the engine air filter element, replace if
necessary. X
Lubricate the steering linkage tie rod ends. X X X X X
Lubricate the steering and suspension ball joints. X X
Inspect the brake linings. X
Drain and refill the front and rear axle fluid‡ X
Inspect the drive belt and replace as needed. Not
required if belt was previously replaced. X
Flush and replace the engine coolant/anti-freeze, if
not done at 60,000 miles (96 000 km). X
SCHEDULE “B” 329
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Miles 108,000 111,000 114,000 117,000 120,000
(Kilometers) (180 000) (185 000) (190 000) (195 000) (200 000)
Inspect the drive belt and replace as needed. Not
required if belt was previously replaced. X
Drain and refill the transfer case fluid. X
Flush and replace the engine coolant/anti-freeze, if
not replaced at 102,000 miles (170 000 km). X
Inspection and service should also be performed anytime
a malfunction is observed or suspected. Retain all re-
ceipts.
† Applies only if vehicle is used for frequent trailer
towing or fleet/commercial service.
 This maintenance is recommended by the manufac-
turer to the owner, but is not required to maintain
emissions warranty. ‡Off-highway operation, trailer towing, taxi, limousine,
bus, snow plowing, or other types of commercial service
or prolonged operation with heavy loading, especially in
hot weather, require front and rear axle service indicated
witha‡in Schedule “B”. Perform these services if the
vehicle is usually operated under these conditions.
SCHEDULE “B” 331
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Miles 60,000 66,000 72,000 78,000
(Kilometers) (100 000) (110 000) (120 000) (130 000)
[Months] [60] [66] [72] [78]
Flush and replace the engine coolant/anti-freeze. X
Inspect the manual transmission fluid, add as necessary. X
Inspect transfer case fluid. X
SCHEDULE “A” 335
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Miles 84,000 90,000 96,000 102, 000
(Kilometers) (140 000) (150 000) (160 000) (170 000)
[Months] [84] [90] [96] [102]
Change the engine oil and engine oil filter. X X X X
Rotate the tires. X X X X
Inspect the engine air filter element, and replace if necessary. X
Inspect the PCV Valve, and replace if necessary.  X
Replace the spark plugs. X
Lubricate the steering linkage joints and outer tie rod ends. X X X X
Lubricate the steering and suspension ball joints. X X
Inspect the brake linings. X
Inspect the drive belt, and replace as needed. Not required if
previously replaced. XX
Flush and replace the engine coolant/anti-freeze if not done at
60 months. X
Inspect the manual transmission fluid, add as necessary. X
Inspect the transfer case fluid. X
336 SCHEDULE “A”
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Miles 108,000 114,000 120,000
(Kilometers) (180 000) (190 000) (200 000)
[Months] [108] [114] [120]
Inspect the manual transmission fluid, add as necessary. X
Drain and refill the transfer case fluid. X
Flush and replace the engine coolant/anti-freeze, if not done at
102,000 miles (170 000 km). X
Inspection and service should also be performed anytime
a malfunction is observed or suspected. Retain all re-
ceipts.
 This maintenance is recommended by the manufac-
turer to the owner, but is not required to maintain
emissions warranty.
338 SCHEDULE “A”
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